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12 Jul 05 <br /> I I I L LLQ LO <br /> w� <br /> `y N <br /> ll <br /> �, �f'►x) I Il-IIY-1 ' ' N <br /> 1�'1 —2 I �4 I I <br /> (located 20 north) I I Well 5-1,000 ft N O O <br /> IWell <br /> a ' Well 1 -100 ft(Destroyed') —N— 0 <br /> 2 700 ft <br /> Well 3-900 ftg <br /> C <br /> MW-3 ! W E 3 Q V <br /> i I I <br /> I , <br /> Canopy and ! U ! ! W E V,\ <br /> Chevron Dispenser Islands 0 — <br /> Food Mart ! F ! ! L <br /> t ; ; , Well 4-1,000 ft <br /> G� Existing UST S <br /> Complex S d <br /> I 1 I <br /> ------------ Water Supply Wells Groundwater Flow Direction <br /> within 1,000 feet 1Q00 through 4Q02 V <br /> I I I <br /> MW-1 Former UST <br /> I <br /> Complex <br /> I LL � <br /> + MW-4 I I <br /> I I ' <br /> I I I <br /> Vacant Lot Scale (ft) <br /> (Former Unocal Gas Station) <br /> 15 30 60 <br /> I I <br /> Driveway ; <br /> a <br /> MW-1A <br /> . 5.59 <br /> i I <br /> - - - - - - — W-3A - - —o - - - - Q— - - - - .r <050 ! 1 EXPLANATION <br /> I ; 96573 !I ! i <br /> Groun <br /> d% ater monitoring well <br /> <0 <br /> Q <br /> 51 <br /> <050 -------------- -----1 Backfill well U <br /> (D o Sump <br /> 1 <br /> BF-1RW Destroy�dwell <br /> 8 I NM t ` <br /> ® (<50/4 7 1-24-05) Product dispenser numbers <br /> , I , I <br /> ` Groundwater elevation contour in feet referenced to <br /> Canopy and mean sed level(ft ms]) Arrows indicate approximate <br /> Dispenser Islands ; ; ; ; ! groundlater flow direction <br /> ® Existing ! ' <br /> I ' ; Fuel USTs ! ; ; MW-ZS—Well de gnation <br /> ' ' 5.65 --Ground ater elevation,ft msl <br /> Carwash ' ! ! ! <0.50--Benzene concentrations in groundwater in parts per C <br /> / ! <0 50 billion( pb) <br /> MTBE&ncentrations in groundwater in ppb cc <br /> NM Not measured <br /> / I <br /> 7 1 <br /> Y/ <br /> o {c50/4 -24-OS Benzene/MTBE Date last measured Al <br /> V <br /> r <br /> MW-2A ! ! ! <x Not detected at reporting limit x i <br /> !! d <br /> ------- _ -- -- 565 ! ! ! Approxtrhate hydraulic gradient=0 001 (n <br /> � / � I I I <br /> <0 50 , I I ra -0 <br /> <O 50 I WA+ ai <br /> . I Former UST ; ; ; r = Cz <br /> Location 0 `o <br /> ON RAMP 'INTERS <br /> TATE ROUTE NO-20 OFF RAME <br /> P - INTERSTATE R6UTE NO. F�GUFiv <br /> 2 ^ � <br /> O to <br /> 04rl_ <br /> o <br /> OD Base Map Fugro of 415195 cn ce <br />